CLEARWATER — To Aaron Boone and the Yankees, Luke Voit and Greg Bird are everyday players. If you are here after the first week of March hoping for a lefty-righty platoon situation to start the season, it’s best to begin processing that disappointment now.

“It is tough for us to envision us having two first baseman” to start the regular season, Boone said Thursday. “Especially when I feel like [DJ] LeMahieu would be that guy who would get some backup reps there.”

The starting job at first appears to be the only gig that is truly up for grabs three weeks before the regular season begins.

Voit and Bird have each been performing solidly in the Yankees’ exhibition games, complicating the Yankees’ need to choose one or the other for the Opening Day roster. Very small sample size disclaimer applies, but Voit has hit for a 1.126 OPS in six games and Bird’s hit for a 1.222 OPS in eight. It’s a good problem for them to have: Two productive first...